package sanshui.system.trade.config;

import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

import java.math.BigInteger;

@Configuration
public class JacksonConfig {

    @Bean
    public MappingJackson2HttpMessageConverter jackson2HttpMessageConverter() {
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        SimpleModule module = new SimpleModule();
        // 将 Long 和 BigInteger 类型序列化为字符串
        module.addSerializer(Long.class, ToStringSerializer.instance);
        module.addSerializer(Long.TYPE, ToStringSerializer.instance);
        module.addSerializer(BigInteger.class, ToStringSerializer.instance);
        converter.getObjectMapper().registerModule(module);
        return converter;
    }
}